/* Copyright (c) 2006 by M Aamir Maniar 
 * 
 * Permission is hereby granted, free of charge, to any person obtaining 
 * a copy of this software and associated documentation files (the 
 * "Software"), to deal in the Software without restriction, including 
 * without limitation the rights to use, copy, modify, merge, publish, 
 * distribute, sublicense, and/or sell copies of the Software, and to 
 * permit persons to whom the Software is furnished to do so, subject to 
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be 
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * */

namespace Generic.Utils
{
	using System;
	using System.Collections.Generic;
	using System.Text;

	/// <summary>
	/// Represents a utility class that validates arguments passed to functions.
	/// </summary>
    public static class ArgumentValidator
	{
        public static void CheckIfNull(object value, string message)
        {
            if (value == null) throw new ArgumentException(message);
        }

        public static void CheckIfNull(object value)
        {
            if (value == null) throw new ArgumentException();
        }

		public static void CheckIfNull<T>(T value)
		{  
			if (value == null) throw new ArgumentNullException(); 
		}

		public static void CheckIfNull<T>(T value, string message) 
		{
			if (value == null) throw new ArgumentNullException(message); 
		}

        public static void CheckIndexForRange<T>(T index, int startOfRange, int endOfRange)
        {
            if (!(Convert.ToInt32(index) >= startOfRange && Convert.ToInt32(index) <= endOfRange))
                throw new IndexOutOfRangeException();
        }

        public static void CheckIndexForRange<T>(T index, int startOfRange, int endOfRange,  string message)
        {
            if (!(Convert.ToInt32(index) >= startOfRange && Convert.ToInt32(index) <= endOfRange))
                throw new IndexOutOfRangeException(message);
        }
	}
}
